Finding the Fourth Proportional to 12,358,261.56, 18,524,415.95 and 4,158,057.09
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Solution
The fourth proportional to 12,358,261.56, 18,524,415.95 and 4,158,057.09 is: 6,232,719.60
Step by Step Solution
- Step 1: Write the proportion equation
12,358,261.56 : 18,524,415.95 = 4,158,057.09 : x - Step 2: Convert to fraction form
12,358,261.56/18,524,415.95 = 4,158,057.09/x - Step 3: Cross multiply
12,358,261.56x = 18,524,415.95 × 4,158,057.09 - Step 4: Simplify right side
12,358,261.56x = 77,025,578,986,384.50 - Step 5: Solve for x
x = 77,025,578,986,384.50/12,358,261.56 - Step 6: Final answer
x = 6,232,719.60
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.